"Outside of a dog, a book is a man's best friend and inside of a dog, it's too dark to read."
Groucho Marx (...more Groucho Marx Quotes).

"Write something, even if it's just a suicide note."
Gore Vidal.

"What would I do if I had only six months left to live? I'd type faster."
Isaac Assimov.

"The only imaginative fiction being written today is income tax returns."
Herman Wouk.

"I adore adverbs; they are the only qualifications I really much respect."
Henry James.

"Victor Hugo was a madman who thought he was Vistor Hugo."
Jean Cocteau.

"Once you've put one of his books down, you simply can't pick it up again."
Mark Twain (talking about Henry James) (...more Mark Twain Quotes).

"What other culture could have produced someone like Hemmingway and not seen the joke?"
Gore Vidal.

"Critics are to authors what dogs are to lamp-posts."
Jeffrey Robinson.